Étretat cliffs & the world of Arsène Lupin
Solve the mystery that played out here
1–3-day roadtrip · Normandie
📱 1 to 10 phones · 1 team per phone · Independent codes
5 sites · 30 km · your own pace
Étretat cliffs & the world of Arsène Lupin
You are a detective with the French Sûreté Nationale, autumn 1907.
Your mission takes you to Étretat, Haute-Normandie, to solve a mystery beneath the
Delve into the mysteries of the Étretat Cliffs, where Upper Cretaceous Turonian chalk might still conceal Arsène Lupin's secrets.
« The Étretat cliffs, these immense chalk arches, are breathtakingly beautiful. The needle is a natural monument that defies time. »— Inscription on a commemorative stele in Étretat, undated (20th century)
The story that haunts this land
Votre enquête débute Place Maurice Guillard, face au front de mer d'Étretat. De là, vous observez les Falaises d'Amont, formées il y a 90 à 100 millions d'années durant le Crétacé supérieur. Ces parois, composées de craie turonienne dite 'du Tilleul', dépassent 90 mètres de hauteur et sont striée de silex. En suivant les sentiers côtiers, vous découvrez l'ingénierie naturelle des lieux : les trois arches principales, dont la Porte d'Amont, n'ont pas été creusées par l'érosion marine directe, mais par l'eau de pluie et les rivières souterraines. Cette visite interactive d'Étretat vous révèle les secrets géologiques du patrimoine Normandie.
Poursuivez votre visite d'Étretat vers l'Aiguille d'Étretat, un témoin géologique de 51 mètres de haut dont la découpe remonte entre 2 000 et 5 000 ans. Ce monolithe, apparaissant sur des cartes romaines, est devenu le repaire imaginaire du célèbre Arsène Lupin, le gentleman cambrioleur créé par Maurice Leblanc. C'est ici que le personnage de fiction dissimulait ses trésors. En réalité augmentée, vous pourriez bien déceler des indices cachés par le maître du déguisement, rendant ce site un point central de votre jeu de piste GPS à travers la Côte d'Albâtre.
Le chemin vous mène ensuite à la Porte d'Aval, une immense arcade de silex située à gauche de la plage d'Étretat. Contrairement aux arches d'Amont, celle-ci fut creusée par les vagues battant l'extrémité de la falaise au fil des millénaires. La roche siliceuse de la Porte d'Aval contraste avec la craie blanche environnante, offrant un paysage remarquable. À proximité, la Manneporte, autre arche principale, fut rendue célèbre par les toiles de Claude Monet et Gustave Courbet au XIXe siècle. Ces peintres ont immortalisé ces formations naturelles, originellement sculptées par les rivières souterraines avant l'action marine, contribuant à la renommée internationale des Falaises d'Étretat.
De retour au Village d'Étretat, vous explorez son front de mer. Le village, situé en cuvette, est protégé par une digue naturelle de galets dont la forme arrondie est l'œuvre de l'action marine. Découvert comme destination touristique par le peintre Eugène Isabey en 1820, Étretat s'est désenclavé avec l'arrivée de la ligne de chemin de fer en 1895. Les toiles de Claude Monet, dont la cote artistique a atteint des sommets, ont ensuite popularisé ce lieu internationalement. Votre roadtrip Normandie vous fait revivre cette époque, en vous immergeant dans l'histoire de la ville.
Votre exploration se termine par la Chapelle Notre-Dame de la Garde, perchée au sommet des Falaises d'Amont. De là, vous contemplez les plages voisines d'Yport et Vaucottes, des plages de galets grisâtres caractéristiques de la Haute-Normandie, accessibles par la route côtière. Ces sites, faisant partie du même système géologique de falaises de craie, complètent votre compréhension du patrimoine géologique Crétacé de la région. Ce circuit thématique, entre fiction et réalité, vous offre une visite interactive d'Étretat unique, vous laissant avec une compréhension profonde des paysages et de l'imaginaire qui y sont liés, et pourquoi ce site est un projet labellisation Grand Site.
How does it work?
Explore the city on foot solving puzzles based on real historical facts. No locked room — the city is your playground.
No app to download. Play directly from your browser. Guided step by step, at your own pace.
One purchase per phone is enough. Play with family, friends or as a couple — everyone participates.
Point your phone at the façade: a historical character appears and speaks to you in your language. Golden letters magically write themselves on the wall to reveal the puzzle answer.
Stuck? Progressive personalised hints. The character repeats the puzzle on demand — at your own pace.
French, English, German, Spanish, Italian + 27 other languages auto-translated by AI.
The game downloads to your phone on start. Once the "✓ Downloaded" indicator appears, everything works without data — narration, AR, GPS and puzzles. Perfect abroad without a data plan.
Want to go deeper?
Places tied to your adventure — optional entries, totally up to you · per person
The Route
5 curated sites across the territory
The gameplay: AR, camera, hidden clues
At each stop, open your phone camera: an augmented reality character appears on the façade and speaks your language. Hunt the clue — it materializes as golden letters on the real wall or floats in front of you. When you find it, the phone vibrates, an AR chest opens and reveals your answer fragment. 8 stops, 8 clues to find with the camera, 1 final code.
The stops on your route are a surprise. You'll discover them one by one, guided by your phone, starting from the meeting point.
How does it work with a group?
One phone = one team. Pick the number at checkout (1 to 10).
Solo, or a group sharing the screen. One team, one code.
Family, couple, or 2-3 teams competing. Each phone has its own code and its own score.
Friends, bachelor/bachelorette, small office outing — each their own code, each plays at their own pace. Tiered pricing then €6 flat per phone from the 6th.
- ✓All codes are independent — play at the same time OR separately, each team advances at its own pace.
- ✓Leaderboard between your teams + global game leaderboard — each score appears in the public ranking.
- ✓More than 10 phones or need a personalized quest? Discover custom tours.
Ready to live this adventure?
Get my code · 14,90€No calendar booking. Code sent immediately by email.
🔒 Secure payment · Code in 5 min · Free cancellation
Practical info
Why this route?
Free-paced roadtrip
1–3 days at your own pace.
Mostly free-access sites
Designed to be played from outside paid sites. Tickets are optional.
Google Maps geolocated
Each site precisely geolocated.
Immersive roadtrip
AR at every site
9 features nobody else has
OddballTrip combines gamified play, augmented reality and AI. All our competitors deliver 1 or 2 of these angles. We deliver all 5.
AR treasure chest
A golden chest floats in front of the monument. Tap → opening animation → reveals a secret message.
AR narrator character
Point your phone at the façade: a knight, witch, monk, sailor, detective or ghost appears full-screen and speaks to you in your language with their dedicated ElevenLabs voice (each character has their own unique voice) — your living guide.
Magic golden letters
At the puzzle climax, golden letters magically write themselves on the real wall — that's the puzzle answer. An unforgettable visual effect.
Written + audio narration
Every puzzle available as text AND voice-over: read at your own pace or listen eyes-free while walking. Great in groups and for accessibility.
360° radar + vibration
A mini-radar shows the target even behind you, and the phone vibrates when you aim in the right direction.
Heritage storytelling
Every puzzle weaves in real historical facts (architecture, era, anecdotes). You learn by playing — like a gamified audioguide.
Progressive AI hints
3 levels of AI-generated help: vibe → where to look → answer format. You're never stuck.
AR selfie memento
At the end of the game, capture a selfie with OddballTrip banner + mascot, shareable on Instagram, TikTok.
Zero app to install
PWA technology: open the link, it plays in your browser. Same quality as an app, no App Store hassle.
Frequently asked questions
Q01Is Étretat cliffs & the world of Arsène Lupin similar to a treasure hunt?
Same spirit: search, deduce, find. But here the "treasure" is a full story to piece together in eight stops. Each stop gives you a fragment of the final code. Eight fragments later, you've cracked it.
Q02How many stops are in Étretat cliffs & the world of Arsène Lupin?
Eight stops total. At each stop you find a camera clue, solve the puzzle, collect a fragment of the final code. With all eight, you've got the answer.
Q03Can we play Étretat cliffs & the world of Arsène Lupin as a couple?
Great two-person format. Narration is dramatic without overdoing it, puzzles are designed to spark conversation. Ideal for new relationships or anniversaries — you discover the city and coordinate on puzzles simultaneously.
Q04What if we get stuck on a puzzle?
Three hint levels per puzzle, with a small increasing time penalty. If truly stuck after level 3, you can skip the step (45-min penalty). The point: nobody stays blocked and goes home frustrated.
Avis des aventuriers
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Your turn to play
Delve into the mysteries of the Étretat Cliffs, where Upper Cretaceous Turonian chalk might still conceal Arsène Lupin's secrets.
1 purchase = 1 phone. Play several on the same device.
No calendar booking. Code sent immediately by email.
🔒Secure payment · Code in 5 min · Free cancellation